Finding the Fourth Proportional to 246,934.53, 370,363.19 and 78,432.68
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Solution
The fourth proportional to 246,934.53, 370,363.19 and 78,432.68 is: 117,636.75
Step by Step Solution
- Step 1: Write the proportion equation
246,934.53 : 370,363.19 = 78,432.68 : x - Step 2: Convert to fraction form
246,934.53/370,363.19 = 78,432.68/x - Step 3: Cross multiply
246,934.53x = 370,363.19 × 78,432.68 - Step 4: Simplify right side
246,934.53x = 29,048,575,321.07 - Step 5: Solve for x
x = 29,048,575,321.07/246,934.53 - Step 6: Final answer
x = 117,636.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.